Bottle brush



FIG. 1 is a perspective view of a bottle brush showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left elevation view thereof;

FIG. 6 is a right elevation view thereof;

FIG. 7 is an enlarged top plan view thereof;

FIG. 8 is an enlarged bottom plan view thereof; and,

FIG. 9 is an enlarged view of the selected portion 9 in FIG. 1.

The broken lines shown in the figures depict portions of the bottle brush that form no part of the claimed design. 

CLAIM The ornamental design for a bottle brush, as shown and described. 